To find the product of 4*80:
Remove the 0 from 80 (4*8)
Multiply as you would (or just add 8+8 4 times)
When you get your answer (32), add the 0.
Answer: 320
About 190% because its almost two times the original number
I hope that answers your question
The answer to this is atmosphere.
The atmosphere is the layer of air that surrounds the Earth and is comprised mainly of nitrogen and oxygen.
So that's why the sphere that contains the air we breathe is atmosphere.
Hope this helped :)
have a great day
56.7 should be the right answer
